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Old Mar 9, 2008 | 09:09 PM
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Default Fuel pump

I'm about to install a nitrous kit on my car and was wondering if I need to upgrade the pump or not. I made 397 whp and 377 wtrq cam only and would like to spray a 150 shot on it but I was going to start with a 100 shot. Should I wait to get a fuel pump before I do anything or should I be ok? Anybody got any insight on this? I searched but didn't find what I was looking for. I appreciate any and all help you guys could give me.
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Old Mar 9, 2008 | 10:24 PM
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I would.
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Old Mar 9, 2008 | 10:39 PM
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Well if I can get away without doing it then there's no need to spend the extra money. You know what I mean? I know its not much but I don't want to spend more than I have to. But I don't want to blow it up either.
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Old Mar 9, 2008 | 11:03 PM
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Yes you will need one. You will have to fudge the tune, or run a big fuel pill to account for the drop in pressure. You can get a Racetronix kit for cheap and it installs in a snap.
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Old Mar 9, 2008 | 11:08 PM
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^ Thanks man. That's what I figured. I was just kinda hoping. Is anybody using this one or do you think it would work : http://www.texas-speed.com/shop/item...d=225&catid=10
Thanks for the replies.
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Old Mar 10, 2008 | 07:42 AM
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just get the racetronics kit- it is simply plug and play- especially if you are doing the job. If you are not doing it then whoever puts it in will appreciate you getting the racetronics kit.

I am waiting to put all the stuff on my car for this exact reason- fuel pump. I have everything else.
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Old Mar 10, 2008 | 10:25 AM
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My pump maxed out at 400hp on a 100 shot so I dropped the Walbro 255 and no problems after that.
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Old Mar 11, 2008 | 12:11 AM
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Hey rock, I would get a new pump. I have similar numbers to you but i already have a 100 shot setup. I have taken the bottle out until i install the new clutch and pump. Then i'll be able to spray
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Old Mar 11, 2008 | 01:32 AM
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If any read my earlier post where I said I think the Walbro is plug and play. Its not. Just thought I would clear that up. Thanks for everybody's help.
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Old Mar 11, 2008 | 06:26 PM
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Originally Posted by rocksws6
If any read my earlier post where I said I think the Walbro is plug and play. Its not. Just thought I would clear that up. Thanks for everybody's help.
Sent you a PM on this subject
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Old Mar 11, 2008 | 07:08 PM
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another for the Racetronix kit. has its own feedwire/fuse to alternator
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Old Mar 11, 2008 | 07:28 PM
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Yet another vote for Racetronix...very easily done.
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Old Mar 11, 2008 | 08:19 PM
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Check out HSW for the Racetronic kits. i would do a pump. A couple write ups on fuel system upgrading in my web site. Also, the math for figuring when you need to upgrade based on HP needs.
Robert
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Old Mar 11, 2008 | 08:24 PM
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We also stock racetronix kits on the shelf.
Dave
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